<span>In The Story,The Lady with the Pet Dog, Dmitry Gurov meets a lovely woman named Anna at a seaside hotel. Though Gurov is a contemptuous, disagreeable character, he falls in love with Anna, and they have an affair. Upon his return to Moscow, Gurov assumes that he will forget Anna. When he doesn't, he seeks her out, and they find modest happiness together</span>
Answer: Evolution it’s a process of change over time
Lol this might be something like what you were saying hopefully
A is the answer. a major third